package com.factors.HuangHePing.Access_to_ResourcesAvg;

import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Reducer;

import java.io.IOException;


public class AverageReducer extends Reducer<Text, IntWritable, Text, IntWritable> {

    private IntWritable result = new IntWritable();

    @Override
    protected void reduce(Text key, Iterable<IntWritable> values, Context context) throws IOException, InterruptedException {
        int sum = 0;
        int count=0;
        for (IntWritable val : values) {
            sum += val.get();
            count++;
        }

        int average = (int)sum/count;
        result.set(average);
        context.write(key, result);
    }
}